Since the publication of Darwin’s Origin of Species, a certain subset of science deniers has claimed there’s no such thing as evolution – but the proof is in your own body.

Whether it’s your tailbone, goosebumps, or an odd little tendon you may or may not have in your wrist, our bodies are covered with parts that serve no purpose anymore. They’re simply a genetic relic from our recent evolutionary past – kind of like wings on an ostrich.

Vox put together this awesome video showing some of these vestigial (big word alert!) traits you likely didn’t even know you have.